how this machine works?
Will there any downgrade in the speed of this machine in future?
for how many hours I can run this machine continuously?
What will be the power cost?
How to setup the machine?
how many days it will take me to mine 1BTC?
1. Low hashrate (180GH/s)
2. No, but the bitcoin mined will be less and less due to difficulty going up
3. With good ventilation, you could keep running it until it breaks down.
4. ~360W, depends on your electricity price
5.
6. Never
Please check a profit calculator before buying anything.
![Smiley](https://bitcointalk.org/Smileys/default/smiley.gif)